Base | Representation |
---|---|
bin | 1000010101101… |
… | …10101110010001 |
3 | 11212122001110112 |
4 | 10022312232101 |
5 | 120402020244 |
6 | 10535211105 |
7 | 1506413555 |
oct | 412665621 |
9 | 155561415 |
10 | 69954449 |
11 | 3653a8a4 |
12 | 1b516a95 |
13 | 11653b86 |
14 | 940d865 |
15 | 621c39e |
hex | 42b6b91 |
69954449 has 2 divisors, whose sum is σ = 69954450. Its totient is φ = 69954448.
The previous prime is 69954419. The next prime is 69954461. The reversal of 69954449 is 94445996.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 61340224 + 8614225 = 7832^2 + 2935^2 .
It is a cyclic number.
It is not a de Polignac number, because 69954449 - 220 = 68905873 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 69954397 and 69954406.
It is not a weakly prime, because it can be changed into another prime (69954419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34977224 + 34977225.
It is an arithmetic number, because the mean of its divisors is an integer number (34977225).
Almost surely, 269954449 is an apocalyptic number.
It is an amenable number.
69954449 is a deficient number, since it is larger than the sum of its proper divisors (1).
69954449 is an equidigital number, since it uses as much as digits as its factorization.
69954449 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1399680, while the sum is 50.
The square root of 69954449 is about 8363.8776294252. The cubic root of 69954449 is about 412.0391159801.
The spelling of 69954449 in words is "sixty-nine million, nine hundred fifty-four thousand, four hundred forty-nine".
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